| 年份 | 喀麦隆 |
|---|---|
| 2023 | - |
| 2022 | 0.949154 |
| 2021 | 0.978117 |
| 2020 | 0.964407 |
| 2019 | 1.06458 |
| 2018 | 1.07601 |
| 2017 | 1.13837 |
| 2016 | 1.14642 |
| 2015 | 1.0989 |
| 2014 | 1.10498 |
| 2013 | 1.16504 |
| 2012 | 1.17535 |
| 2011 | 1.13589 |
| 2010 | 1.28838 |
| 2009 | 1.23383 |
| 2008 | 1.25559 |
| 2007 | 1.24159 |
| 2006 | 1.22979 |
| 2005 | 1.1439 |
| 2004 | 1.4016 |
| 2003 | 1.38381 |
| 2002 | 1.33851 |
| 2001 | 1.29036 |
| 2000 | 1.32475 |
| 1999 | 1.44385 |
| 1998 | 1.39651 |
| 1997 | 1.30124 |
| 1996 | 1.22484 |
| 1995 | 1.25164 |
| 1994 | 1.31034 |
| 1993 | 1.32612 |
| 1992 | 1.53261 |
| 1991 | 1.51455 |
| 1990 | 1.47457 |
| 1989 | 1.33369 |
| 1988 | 1.2848 |
| 1987 | 1.25003 |
| 1986 | 1.21782 |
| 1985 | 1.33984 |
| 1984 | 1.74022 |
| 1983 | 1.89068 |
| 1982 | 1.99052 |
| 1981 | 1.81892 |
| 1980 | 1.55582 |
| 1979 | 1.65536 |
| 1978 | 1.66512 |
| 1977 | 1.71585 |
| 1976 | 1.76233 |
| 1975 | 1.72759 |
| 1974 | 1.69194 |
| 1973 | 1.76067 |
| 1972 | 1.76285 |
| 1971 | 1.84267 |
| 1970 | 1.87213 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |